Classification of topological quantum matter with symmetries
Topological materials have become the focus of intense research in recent years, since they
exhibit fundamentally new physical phenomena with potential applications for novel devices …
exhibit fundamentally new physical phenomena with potential applications for novel devices …
The study of magnetic topological semimetals by first principles calculations
J Zou, Z He, G Xu - npj Computational Materials, 2019 - nature.com
Magnetic topological semimetals (TSMs) are topological quantum materials with broken time-
reversal symmetry (TRS) and isolated nodal points or lines near the Fermi level. Their …
reversal symmetry (TRS) and isolated nodal points or lines near the Fermi level. Their …
Spin space groups: Full classification and applications
In this work, we exhaust all the spin space symmetries, which fully characterize collinear,
noncollinear, and commensurate spiral as well as incommensurate spiral magnetism, etc …
noncollinear, and commensurate spiral as well as incommensurate spiral magnetism, etc …
Gapless Surface Dirac Cone in Antiferromagnetic Topological Insulator
The recently discovered antiferromagnetic topological insulators in the Mn-Bi-Te family with
intrinsic magnetic ordering have rapidly drawn broad interest since its cleaved surface state …
intrinsic magnetic ordering have rapidly drawn broad interest since its cleaved surface state …
Möbius Insulator and Higher-Order Topology in
We propose MnBi 2 n Te 3 n+ 1 as a magnetically tunable platform for realizing various
symmetry-protected higher-order topology. Its canted antiferromagnetic phase can host …
symmetry-protected higher-order topology. Its canted antiferromagnetic phase can host …
Building blocks of topological quantum chemistry: Elementary band representations
The link between chemical orbitals described by local degrees of freedom and band theory,
which is defined in momentum space, was proposed by Zak several decades ago for …
which is defined in momentum space, was proposed by Zak several decades ago for …
Structure and topology of band structures in the 1651 magnetic space groups
The properties of electrons in magnetically ordered crystals are of interest both from the
viewpoint of realizing novel topological phases, such as magnetic Weyl semimetals, and …
viewpoint of realizing novel topological phases, such as magnetic Weyl semimetals, and …
Higher-order topology and nodal topological superconductivity in Fe (Se, Te) heterostructures
We show, theoretically, that a heterostructure of monolayer FeTe 1-x Se x—a
superconducting quantum spin Hall material—with a monolayer of FeTe—a bicollinear …
superconducting quantum spin Hall material—with a monolayer of FeTe—a bicollinear …
Topological correspondence between magnetic space group representations and subdimensions
The past years have seen rapid progress in the classification of topological materials. These
diagnostical methods are increasingly getting explored in the pertinent context of magnetic …
diagnostical methods are increasingly getting explored in the pertinent context of magnetic …
Topological insulators from group cohomology
We classify insulators by generalized symmetries that combine space-time transformations
with quasimomentum translations. Our group-cohomological classification generalizes the …
with quasimomentum translations. Our group-cohomological classification generalizes the …